This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The number of first-year students who will decide to live in dormitories is a binomial random ... (Read 76 times)

TFauchery

  • Hero Member
  • *****
  • Posts: 500
on: Jul 24, 2018
The number of first-year students who will decide to live in dormitories is a binomial random variable X with n = 1000 and p = 0.50 . Use the normal approximation with continuity correction to approximate the probability that X will be no more than 490, P(X  490).
 a. 0.2743
  b. 0.2709
  c. 0.7291
  d. 0.7357

Question 2

A random sample of 250 third graders scored an average of 3.2 on a standardized reading test. The standard deviation was 0.95 . What is the standard error of the sample mean?
 a. 0.95
  b. 0.202
  c. 0.0038
  d. 0.060


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cswans24

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

D


TFauchery

  • Member
  • Posts: 500
Reply 2 on: Jul 24, 2018
:D TYSM

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Types of variation in chromosome number. Types of variation in chromosome number.
(a) The low-resolution signal has the same number of pulses as the engine has cylinders. (b) A ... (a) The low-resolution signal has the same number of pulses as the engine has cylinders. (b) A ...
How to count for the correct number of significant digits How to count for the correct number of significant digits
People with normal color vision see the number 29 in the chart; however, those who are color-blind c People with normal color vision see the number 29 in the chart; however, those who are color-blind c
You deposit $2000 each year into an account earning 4% interest compounded annually. How much ... You deposit $2000 each year into an account earning 4% interest compounded annually. How much ...
Students pointing at a computer screen Students pointing at a computer screen
Video: Properties of water -structure of water and polarity (Ionized and polar compounds)

For a complete list of videos, visit our video library